Fix potential bug for exponential map

2026-06-27 19:48:52 +08:00 · 2014-12-08 12:12:51 -08:00
parent 6dee8a1c6e
commit 7fa5f6f0f6
1 changed files with 1 additions and 1 deletions
@@ -86,7 +86,7 @@ class IdentityMap(object):
        """
        print 'Testing %s' % str(self)
        if m is None:
-            m = np.random.rand(self.nP)
+            m = abs(np.random.rand(self.nP))
        if 'plotIt' not in kwargs:
            kwargs['plotIt'] = False
        return checkDerivative(lambda m : [self * m, self.deriv(m)], m, **kwargs)